Agreed. And the amount of rust on the door suggests it may not be pretty underneath.
A visual inspection isn't enough (unless you see obvious holes). You may need to poke a little. Here's what the ForkenSwift's control arm mounts - which looked OK -- turned into with a little poking/grinding:
They were repaired. See:
http://ecomodder.com/forum/showthrea...html#post28959